With one exception - that they're not restricted to LimOps on the Sequence of Play - bots must obey exactly the same rules as players do. Chapter 8 tells you which choices the bots make from the options made available by the game rules.

Therefore, if the French bot uses a Skirmish to remove a British Fort, it will automatically have to remove a French Regular as well because that's how the French Skirmish Special Ability works.